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Java - Installation and running a first java program - Running a first java program Tutorial

Open a simple text editor like notepad or IDE like eclipse.

 Write Java Hello World Example. And save it with name FirstProgram.java

 

// Java 1st Hello World Program

public class FirstProgram{

    public static void main(String[] args) {

        System.out.println("Hello World");

/* This Line will Print Hello World */

   }

}

 

Run Program

 

 

Click on compile and run and you will able to see following output

Hello World

 

Congratulations! You have composed and executed your first Java program. We will learn java instructional exercise more in detail in the above talk.

Java

Java

  • Introduction
  • Installation and running a first java program
    • JDK Installation
    • Environment Variable Path Setup
    • Running a first java program
  • 1st Java Program Explanation
    • Program Syntax
  • JDK,JRE,JVM
    • JRE
    • JDK
    • JVM
  • Thing to know before proceed
    • Variable
    • Datatype
    • Operator
    • Keyword
    • Access Modifier
  • Decision Control and looping statement
    • If-else
    • Switch
    • For
    • While
    • do-while
    • break
    • continue
  • Object-Oriented Programming (OOPS) Concept
    • About OOPs
    • Object & Class
    • Inheritance
    • Polymorphism (Runtime & Compile Time)
    • Abstraction (Using abstract and interface)
    • Encapsulation

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